Biography
Steve Landesberg (November 23, 1936 – December 20, 2010) was an American actor and comedian known for his role as the erudite, unflappable police detective Arthur P. Dietrich on the ABC sitcom Barney Miller, for which he was nominated for three Emmy Awards. He appeared in 124 episodes, from the last episode of the 1975 season until the end of the series in 1982. Landesberg also starred in the Starz series Head Case (2007 - 2009) and appeared in the films Wild Hogs (2007) and Forgetting Sarah Marshall (2008). He was married to Nancy Ross from 1986 until his death; they had one daughter.
Filmography
Cast Credits

You Don't Know Jack: The Jack Soo Story
Character: Self
MOVIE • 2009

Forgetting Sarah Marshall
Character: Dr. Rosenbaum
MOVIE • 2008

Head Case
Character: Dr. Myron Finkelstein
TV • 2007

Wild Hogs
Character: Accountant
MOVIE • 2007

Just Jordan
Character:
TV • 2007

I Love the '70s: Volume 2
Character: Self
TV • 2006

Ghost Whisperer
Character: Stan Rosenfeld
TV • 2005

Everybody Hates Chris
Character:
TV • 2005

American Dad!
Character: Bernie (voice)
TV • 2005

Gas
Character: Sam
MOVIE • 2004

Harvey Birdman, Attorney at Law
Character: Grok (voice)
TV • 2000

Harvey Birdman, Attorney at Law
Character: Doctor Quincy (voice)
TV • 2000

Harvey Birdman, Attorney at Law
Character: Bailiff (voice)
TV • 2000

Puppet
Character: Charles
MOVIE • 1999

Twice in a Lifetime
Character: Barry Kirkbride / George Doorwood
TV • 1999

Conrad Bloom
Character: George Dorsey
TV • 1998

Hollywood Squares
Character: Self - Panelist
TV • 1998

That '70s Show
Character: Cal
TV • 1998

Two Guys and a Girl
Character: Berg's Dad
TV • 1998

Tracey Takes On...
Character:
TV • 1996